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ASME B31.1 is the Code for power piping, which is typically piping typically found in electric power generating stations, in industrial and institutional plants, geothermal heating systems, and central and district heating and cooling systems. It has designated ASTM A335 Gr. P11 seamless pipes as the listed material in Table A-2. The ASTM A335 P11 has the nominal chemical composition of “1.25Cr-0.5Mo-Si” and is widely used in power generation plants.
*Temp. | *M.A.S |
---|---|
100 | 17.1 |
200 | 17.1 |
300 | 17.1 |
400 | 16.8 |
500 | 16.2 |
600 | 15.7 |
650 | 15.4 |
700 | 15.1 |
750 | 14.8 |
800 | 14.4 |
850 | 14.0 |
900 | 13.6 |
950 | 9.3 |
1000 | 6.3 |
1050 | 4.2 |
1100 | 2.8 |